• Check Engine Light is on
• Engine may run rough or misfire
• Poor fuel economy
• Reduced engine performance
• Difficulty starting the engine
• Stretched or damaged timing chain/belt
• Faulty camshaft position sensor
• Faulty crankshaft position sensor
• Timing chain tensioner failure
• Wiring issues or poor electrical connections
ECM: Engine Control Module, the computer that controls engine functions.
Camshaft: A shaft in the engine that controls the opening and closing of the valves.
Crankshaft: A shaft driven by the pistons that converts linear motion into rotational motion.
• P0016
• P0017
• P0018
Crankshaft Position - Camshaft Position Correlation Bank 2 Sensor B
This code means that the car's computer has detected that the timing between the engine's crankshaft and one of the camshafts is not right. It's like if the hands of a clock were out of sync and not showing the correct time.
The engine control module (ECM) monitors the timing relationship between the crankshaft and camshaft to ensure they are synchronized. If the timing is off, the ECM will set a P0019 code.
The P0019 code is triggered when the ECM detects a misalignment between the crankshaft and camshaft positions on bank 2, sensor B. This could be due to a variety of mechanical or electrical issues affecting the timing chain or belt, camshaft position sensor, or crankshaft position sensor.
• Use an OBD-II scanner to confirm the code and check for other related codes.
• Inspect the timing chain/belt for wear or damage.
• Test the camshaft and crankshaft position sensors.
• Check the wiring and connectors for damage or corrosion.
• Verify the timing alignment of the engine components.
• Replace the timing chain/belt if it is stretched or damaged.
• Replace faulty camshaft or crankshaft position sensors.
• Repair or replace damaged wiring or connectors.
• Adjust the timing chain/belt tensioner as needed.
• OBD-II scanner
• Multimeter
• Timing light
• Socket set
$200 - $1000
Moderate
• Chevrolet Traverse
• GMC Acadia
• Cadillac CTS
• Regularly maintain the timing chain/belt.
• Inspect sensors and wiring during routine maintenance.
• Ensure timely oil changes to prevent sludge buildup.
Engine Performance
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional if unsure.
• Avoid driving the vehicle excessively until repaired.
Check with your vehicle manufacturer for warranty coverage on timing components.
This code has been more prevalent in vehicles with higher mileage or those with poor maintenance history.
Moderate – Should be addressed soon to avoid potential engine damage.
Ignoring this code can lead to more severe engine damage and increased emissions.
• Engine at operating temperature
• Vehicle stationary and in park or neutral
The camshaft and crankshaft position sensors are typically located near the engine's front, close to the timing cover.
Q: Can I drive with a P0019 code?
A: It's not recommended to drive for long periods with this code, as it can lead to engine damage.
Q: How serious is a P0019 code?
A: It's moderately serious and should be fixed to prevent further engine issues.
